<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="http://cdn.jsdelivr.net/npm/dist/vue.js"></script>
</head>
<body>
<div id="app"></div>
<script type="text/javascript">
    var app = new Vue({
        el:"#app",
        data:{
            title:"hello world",
        }
    });
</script>

</body>
</html>